Question

it costs rupees x each to make the first thousand copies of a compact disc and rupees y to make each subsequent copy . if z is more than 1000 how much will it cost to make z copies of the compact disc​

Answer 1

Answer:

1000(x−y)+yz

Step-by-step explanation:

ANSWERANSWER

Total copies to be made =z

Cost of first 1000 copies =1000x

Now remaing copies has to be made =z−1000

Cost of remaining copies =y×(z−1000)

Total cost =1000x+y×(z−1000)

=1000(x−y)+yz